salix/loopback/common/methods/schema/model-info.js

126 lines
3.6 KiB
JavaScript

const path = require('path');
const fs = require('fs');
module.exports = Self => {
Self.remoteMethod('modelInfo', {
description: 'Gets all models information',
accepts: [
{
arg: 'ctx',
type: 'Object',
http: {source: 'context'}
}
],
returns: {
type: 'Object',
root: true
},
http: {
path: `/modelInfo`,
verb: 'GET'
}
});
const modelsLocale = new Map();
const modulesDir = path.resolve(`${process.cwd()}/modules`);
const modules = fs.readdirSync(modulesDir);
for (const mod of modules) {
const modelsDir = path.join(modulesDir, mod, `back/locale`);
if (!fs.existsSync(modelsDir)) continue;
const models = fs.readdirSync(modelsDir);
for (const model of models) {
const localeDir = path.join(modelsDir, model);
const localeFiles = fs.readdirSync(localeDir);
let modelName = model.charAt(0).toUpperCase() + model.substring(1);
modelName = modelName.replace(/-\w/g, match => {
return match.charAt(1).toUpperCase();
});
const modelLocale = new Map();
modelsLocale.set(modelName, modelLocale);
for (const localeFile of localeFiles) {
const localePath = path.join(localeDir, localeFile);
const match = localeFile.match(/^([a-z]+)\.yml$/);
if (!match) {
console.warn(`Skipping wrong model locale file: ${localeFile}`);
continue;
}
const translations = require(localePath);
modelLocale.set(match[1], translations);
}
}
}
Self.modelInfo = async function(ctx) {
let json = {};
let models = Self.app.models;
for (let modelName in models) {
let model = models[modelName];
let validations = model.validations;
let jsonValidations = {};
for (let fieldName in validations) {
let jsonField = [];
for (let validation of validations[fieldName]) {
let options = validation.options;
if ((options && options.async) ||
(validation.validation == 'custom' && !validation.isExportable))
continue;
let validationCp = Object.assign({}, validation);
if (validationCp.message)
validationCp.message = ctx.req.__(validationCp.message);
jsonField.push(toJson(validationCp));
}
jsonValidations[fieldName] = jsonField;
}
const modelLocale = modelsLocale.get(modelName);
const lang = ctx.req.getLocale();
const locale = modelLocale && modelLocale.get(lang);
json[modelName] = {
properties: model.definition.rawProperties,
validations: jsonValidations,
locale
};
}
return json;
};
function toJson(object) {
let json = {};
for (let prop in object) {
let value = object[prop];
switch (typeof value) {
case 'object':
if (value instanceof RegExp)
json[prop] = value.source;
break;
case 'function':
json[prop] = value.toString();
break;
default:
json[prop] = value;
}
}
return json;
}
};